2109609820

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{420241}}^1$

素因数の和:420501

約数の個数: 24

約数和(自身を含む): 4447841328

約数和(自身を除く): 2338231508

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 420241, 840482, 1680964, 2101205, 4202410, 8404820, 105480491, 210960982, 421921964, 527402455, 1054804910, 2109609820]

約数ペア:

[(1, 2109609820), (2, 1054804910), (4, 527402455), (5, 421921964), (10, 210960982), (20, 105480491), (251, 8404820), (502, 4202410), (1004, 2101205), (1255, 1680964), (2510, 840482), (5020, 420241)]